以下为句子列表：
英文: In OVX rats,not only bone mineral density (BMD) of lumbar vertebrae in vivo and vitro,but also BMD of femora (except for R3 region) and proximal metaphysis(R1 region) in vitro decreased obviously (P<0.01)，whose bone loss rates of L5 and L6 were the highes
中文: 结果显示：①大鼠卵巢切除后，活体、离体腰椎以及股骨（除R3区）、胫骨近端干骺端（R1区）的离体骨密度显著下降（P<0.01），离体L5和L6的骨丢失率最大，达13%；②骨小梁减少、变细，连接中断，骨小梁表面有吸收陷窝；③腰椎压缩强度和股骨力学性能均下降，前者更明显，腰椎最大压缩力下降率达33.32%。
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英文: Factors associated with bone loss in postmenopausal women with rheumatoid arthritis;
中文: 绝经后女性类风湿关节炎患者骨密度变化影响因素分析
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英文: Compound nylestriol tablet to prevent bone loss in osteoporotic rats;
中文: 复方尼尔雌醇片抗大鼠骨质疏松的研究
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